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Commit 321e54f7 authored by Simon Pilgrim's avatar Simon Pilgrim
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[X86][SSE] combineBitcastvxi1 - use PACKSSWB directly to pack v8i16 to v16i8 

Avoid difficulties determining the number of sign bits later on in shuffle lowering to lower to PACKSS

llvm-svn: 316383
parent 6f1c26f2
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